package com.itheima.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;
import org.springframework.web.bind.annotation.RestControllerAdvice;

/*
* 全局异常处理
* */
@RestControllerAdvice(annotations = {RestController.class, Controller.class})
@Slf4j
public class GlobalExceptionHandler {

    /*
        异常处理方法
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")) {
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "账户名已存在";
            return R.error(msg);
        }
        return R.error("你的网络异常");
    }

    /*
        业务异常处理方法
     */
    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }

    /**
     * 其他未知异常处理
     */
    @ExceptionHandler(Exception.class)
    public R<String> othersExceptionHandler(Exception ex){
        log.error(ex.getMessage());
        return R.error(ex.getMessage());
    }


}
